Bell Operating Company (BOC)
Definition - What does Bell Operating Company (BOC) mean?
A Bell operating company (BOC) is any one of a group of 22 original local telephone companies that existed prior to 1984 after AT&T was divided up in 1983. Each BOC was given the right to provide local telephone service in a given geographic areas. The companies initially existed as AT&T subsidiaries and were called the Bell System. AT&T divested them to improve competition. The BOCs are not allowed to manufacture equipment and initially were not allowed to provide long-distance service.
The Unix operating system was developed by AT&T and the antitrust lawsuit that split up the company allowed AT&T to bring Unix to the market.
Techopedia explains Bell Operating Company (BOC)
Bell operating companies referred to all the telephone companies owned by American Telephone & Telegraph prior to the United States vs. AT&T, a U.S. Department of Justice antitrust suit.
Bell operating companies arose from the United State vs. versus AT&T, a U.S. Department of Justice antitrust suit against the former American Telephone & Telegraph Company. The 22 BOCs were split into seven regional Bell operating companies (RBOC) known as "Baby Bells." This group later consolidated into three companies: Qwest, AT&T and Verizon.
- Internet Telephony
- Information Technology (IT)
- Personal Computer (PC)
- Sony/Philips Digital Interface (S/PDIF)
- Plain Old Telephone Service (POTS)
- Public Switched Telephone Network (PSTN)
- Voice Over Internet Protocol (VoIP)
- Telephony Application Programming Interface (TAPI)
- Internet Protocol Telephony (IP Telephony)
- Digital Dial Tone
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